Batman Arkham: Poison Ivy
Gerry Conway, Bob Kanigher, Marc Andreyko, John F. Moore, P. Craig Russell, Brian Apthorp, Duncan Fegredo, Irv Novick & Javier Pina
Batman Arkham: Riddler
Scott Snyder, Gardner Fox, Paul Dini, Greg Capullo & Carmine Infantino
Batman Arkham: Killer Croc
Chuck Dixon, Gerry Conway, Alan Grant, Tim Seeley, Doug Moench, Andersen Gabrych, Jack C. Harris, Dan Jurgens, Jim Aparo, Cliff Richards, Kelley Jones, David Yardin, Curt Swan, Norm Breyfogle, Mike Gustovich, Gabriel Hardman, Rodney Ramos, Tommy Castillo & Jim Balent
Batman Arkham: Scarecrow
Bill Finger, Gardner Fox, Peter J. Tomasi, Doug Moench, Bob Kane, Sheldon Moldoff, Kelley Jones & Gene Colan
Batman Arkham: Two-Face
Dennis O'Neil, Bill Finger, Bob Kane & Neal Adams